The following scholars acted as referees (several of them more than once) in the period 1989-2010. Their contribution is gratefully acknowledged.

Luciano Agostiniani, Roberto Ajello, Federico Albano Leoni, Josep Alba Salas, Mark Aronoff, Peter Auer, Valentina Bambini, Emanuele Banfi, Marco Baroni, Hans Basbøll, Filippo Beghelli, Adriana Belletti, Rosanna Benacchio, Paola Benincà, Delia Bentley, Giuliano Bernini, Monica Berretta, Pierangiolo Berrettoni, Gaetano Berruto, Pier Marco Bertinetto, Marcella Bertuccelli Papi, Valentina Bianchi, Maria Antonietta Bisetto, Gert Booij, Andrea Bonomi, Albert J. Borg, Cristina Burani, Basilio Calderone, Anna Cardinaletti, Walter Castelnovo, Carlo Cecchetto, Michela Cennamo, Gennaro Chierchia, Guglielmo Cinque, Nick Clements, Lucia Colombo, Maria Elisabeth Conte, Norbert Corver, Tom Cravens, Pierluigi Cuzzolin, Denis Delfitto, Giuseppe Dell’Agata, Cristina Delogu, Marica De Vincenzi, Elisa Di Domenico, Paolo Di Giovine, Maria Paola D’Imperio, Luca Dini, Wolfgang Ullrich Dressler, Jacques Durand, William G. Eggington, Franco Fanciullo, Giacomo Ferrari, Chiara Finocchiaro, Carol Fowler, Bernard Fradin, Livio Gaeta, Manuel García-Carpintero, Luzyna Gebert, Luciano Giannelli, Stefania Giannini, Barbara Gili Fivela, Alessandra Giorgi, Giorgio Graffi, Maria Grossmann, Liliane Haegeman, José Ignacio Hualde, Hubert Haider, Berhard Hurch, Georgi Jetchev, Stanisław Karolak, Michael Kenstowicz, Nunzio La Fauci, Bernard Laks, Alessandro Laudanna, Romano Lazzeroni, Alessandro Lenci, Giulio C. Lepschy, María-Rosa Lloret, Giuseppe Longobardi, Michele Loporcaro, Peter Ludlow, Diego Marconi, Giovanna Marotta, Jürgen Meisel, Lunella Mereu, Alberto Mioni, Andrea Moro, Anna Morpurgo Davies, Bice Mortara Garavelli, Marina Nespor, John Ohala, Yves Peirsman, Janos Petöfi, Vito Pirrelli, Frans Plank, Vladimir Plungjan, Isabella Poggi, Jean-Francois Prunet, James Pustejovsky, Franz Rainer, Angela Ralli, Paolo Ramat, Daniela Ratti, Daniel Recasens, Sanda Reinheimer Ripeanu, Lorenzo Renzi, Annie Rialland, Davide Ricca, Luigi Rizzi, Carol Rosen, Ken Safir, Giampaolo Salvi, Sergio Scalise, Niels Schiller, Christoph Schwarze, Raffaele Simone, Alberto Sobrero, Mario Squartini, Pavel Štekauer, Patrizia Tabossi, Anna Maria Thornton, Hannu Tommola, John Trumper, Edward F. Tuttle, Johan van der Auwera, Theo Vennemann, Edoardo Vineis, Irene Vogel, Deirdre Wilson, Alberto Zamboni, Raffaella Zanuttini, Alessandro Zucchi.